Ok thanx. I have a Quadro Fx 3450 with 256MB of memory. There's a point in
the program where I use 7 textures in input and it swaps...I'll try and let
you know
Erik
2009/3/9 Carsten Neumann <carsten_neum...@gmx.net>
> Hello Erik,
>
> Erik Podetti wrote:
> > Thank you very much.
> > I'm using fbo->getDrawTime() trying to profile the execution's time of
> > my FBOs... Some of my textures are in floating point 32bit precision and
> > I would like to keep them permanently on VRAM in a fixed position,
> > binded from the beginning. Is there a way to say to OpenSG to keep those
> > textures always on VRAM even if another rendering pass need to clear
> > some VRAM?
>
> the TextureChunk has a priority field which allows you to reduce the
> priority of textures (reduce, because the default value is 1.f which is
> highest priority). So you could give a different, smaller value to all
> other textures or you could modify the TextureChunk prototype object
> right after osgInit (i.e. before any textures are created) and lower the
> default priority and just set it to 1.f for the important textures.
> You can get the prototype like this:
>
> TextureChunkPtr tcProto =
> TextureChunkPtr::dcast(TextureChunk::getClassType().getPrototype());
>
> Cheers,
> Carsten
>
>
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